/**
 * Vertical News Scroller Notifications - Modern Frontend CSS
 * Ultra-Modern, Emoji-Free Notification Card Design
 */

:root {
    --vns-font-stack: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --vns-primary: #2563eb;
    --vns-primary-hover: #1d4ed8;
    --vns-bg-wrapper: #ffffff;
    --vns-border-wrapper: #e2e8f0;
    --vns-header-bg: #0f172a;
    --vns-header-text: #ffffff;
    --vns-card-bg: #ffffff;
    --vns-card-border: #e2e8f0;
    --vns-card-hover-border: #cbd5e1;
    --vns-title-color: #0f172a;
    --vns-body-color: #475569;
    --vns-meta-color: #64748b;
    --vns-shadow-wrapper: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
    --vns-shadow-card: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
    --vns-shadow-card-hover: 0 8px 18px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -2px rgba(15, 23, 42, 0.04);
    --vns-radius-outer: 14px;
    --vns-radius-card: 10px;
}

/* ==========================================================================
   Outer Wrapper
   ========================================================================== */
.vns-notification-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    background: var(--vns-bg-wrapper);
    border: 1px solid var(--vns-border-wrapper);
    border-radius: var(--vns-radius-outer);
    box-shadow: var(--vns-shadow-wrapper);
    overflow: hidden;
    font-family: var(--vns-font-stack);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 1.25rem 0;
}

.vns-notification-wrapper * {
    box-sizing: border-box;
}

/* ==========================================================================
   Header Bar
   ========================================================================== */
.vns-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 16px;
    background: var(--vns-header-bg);
    color: var(--vns-header-text);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    user-select: none;
    z-index: 10;
}

.vns-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Live Radar Pulse Dot */
.vns-pulse-dot {
    position: relative;
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #10b981;
}

.vns-pulse-dot::after {
    content: "";
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    background-color: rgba(16, 185, 129, 0.4);
    animation: vnsPulseRadar 2s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes vnsPulseRadar {
    0% {
        transform: scale(0.7);
        opacity: 1;
    }
    100% {
        transform: scale(2.4);
        opacity: 0;
    }
}

.vns-header-icon {
    display: inline-flex;
    align-items: center;
    color: #94a3b8;
}

.vns-header-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #f8fafc;
}

.vns-item-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
    padding: 3px 7px;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.12);
    color: #e2e8f0;
    font-feature-settings: "tnum";
}

/* Controls */
.vns-header-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.vns-ctrl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.06);
    color: #cbd5e1;
    cursor: pointer;
    transition: all 0.15s ease;
}

.vns-ctrl-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.25);
}

.vns-ctrl-btn:active {
    transform: scale(0.93);
}

/* ==========================================================================
   Viewport & Scrolling Track
   ========================================================================== */
.vns-viewport {
    position: relative;
    flex: 1;
    width: 100%;
    overflow: hidden;
    padding: 12px 14px;
    cursor: default;
    background: #f8fafc;
}

.vns-track {
    display: flex;
    flex-direction: column;
    width: 100%;
    transform: translateY(0);
    will-change: transform;
}

/* ==========================================================================
   Notification Card Item
   ========================================================================== */
.vns-item-card {
    position: relative;
    display: flex;
    background: var(--vns-card-bg);
    border: 1px solid var(--vns-card-border);
    border-radius: var(--vns-radius-card);
    box-shadow: var(--vns-shadow-card);
    overflow: hidden;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s ease, border-color 0.2s ease;
}

.vns-item-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--vns-shadow-card-hover);
    border-color: var(--vns-card-hover-border);
}

/* Accent Strip */
.vns-card-accent {
    width: 4px;
    flex-shrink: 0;
}
.vns-accent-emerald { background: #10b981; }
.vns-accent-crimson { background: #ef4444; }
.vns-accent-indigo  { background: #3b82f6; }
.vns-accent-amber   { background: #f59e0b; }
.vns-accent-purple  { background: #8b5cf6; }

.vns-card-body {
    flex: 1;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* Card Header */
.vns-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
}

.vns-card-tags {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Modern Pill Badge with Status Micro-Dot */
.vns-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1.4;
}

.vns-badge-dot {
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: currentColor;
}

.vns-pill-emerald {
    background: rgba(16, 185, 129, 0.08);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.vns-pill-crimson {
    background: rgba(239, 68, 68, 0.08);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.vns-pill-indigo {
    background: rgba(59, 130, 246, 0.08);
    color: #2563eb;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.vns-pill-amber {
    background: rgba(245, 158, 11, 0.08);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.vns-pill-purple {
    background: rgba(139, 92, 246, 0.08);
    color: #7c3aed;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

/* Pinned Tag */
.vns-pinned-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10.5px;
    font-weight: 600;
    color: #475569;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 2px 6px;
    border-radius: 4px;
    line-height: 1.4;
}

.vns-pinned-tag svg {
    color: #64748b;
}

/* Timestamp */
.vns-card-time {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11.5px;
    color: var(--vns-meta-color);
    white-space: nowrap;
}

.vns-card-time svg {
    opacity: 0.7;
}

/* Card Title */
.vns-card-title {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--vns-title-color);
}

.vns-card-title a {
    color: var(--vns-title-color);
    text-decoration: none;
    transition: color 0.15s ease;
}

.vns-card-title a:hover {
    color: var(--vns-primary);
}

/* Card Content Snippet */
.vns-card-content {
    margin: 0;
}

.vns-card-content p {
    margin: 0;
    font-size: 12.5px;
    line-height: 1.5;
    color: var(--vns-body-color);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Card Footer Link */
.vns-card-footer {
    display: flex;
    align-items: center;
    margin-top: 2px;
}

.vns-read-more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--vns-primary);
    text-decoration: none;
    transition: gap 0.2s ease, color 0.15s ease;
}

.vns-read-more svg {
    transition: transform 0.2s ease;
}

.vns-read-more:hover {
    color: var(--vns-primary-hover);
}

.vns-read-more:hover svg {
    transform: translateX(2px);
}

/* Pinned card highlighting */
.vns-item-card.vns-is-pinned {
    background: #ffffff;
    border-color: #cbd5e1;
}

/* ==========================================================================
   Paused Status Indicator
   ========================================================================== */
.vns-status-badge {
    position: absolute;
    bottom: 10px;
    right: 12px;
    pointer-events: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 20;
}

.vns-notification-wrapper.is-paused .vns-status-badge {
    opacity: 1;
    transform: translateY(0);
}

.vns-pause-indicator {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border-radius: 9999px;
    background: rgba(15, 23, 42, 0.88);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: #f8fafc;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

/* ==========================================================================
   Themes: Dark & Glass
   ========================================================================== */
.vns-theme-dark {
    --vns-bg-wrapper: #090d16;
    --vns-border-wrapper: #1e293b;
    --vns-header-bg: #0b1120;
    --vns-card-bg: #0f172a;
    --vns-card-border: #1e293b;
    --vns-card-hover-border: #334155;
    --vns-title-color: #f8fafc;
    --vns-body-color: #94a3b8;
    --vns-meta-color: #64748b;
    --vns-primary: #38bdf8;
    --vns-primary-hover: #7dd3fc;
}

.vns-theme-dark .vns-viewport {
    background: #090d16;
}

.vns-theme-dark .vns-item-card.vns-is-pinned {
    background: #0f172a;
    border-color: #334155;
}

.vns-theme-dark .vns-pinned-tag {
    background: #1e293b;
    border-color: #334155;
    color: #cbd5e1;
}

.vns-theme-glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-color: rgba(255, 255, 255, 0.6);
    --vns-card-bg: rgba(255, 255, 255, 0.85);
    --vns-card-border: rgba(255, 255, 255, 0.5);
}

.vns-theme-glass .vns-viewport {
    background: transparent;
}

/* Compact style variant */
.vns-type-compact .vns-card-body {
    padding: 9px 12px;
}
.vns-type-compact .vns-card-title {
    font-size: 13px;
}
.vns-type-compact .vns-card-content p {
    -webkit-line-clamp: 1;
}

/* Empty notice */
.vns-notice-empty {
    padding: 20px;
    text-align: center;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: 8px;
    color: #64748b;
    font-size: 13.5px;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .vns-header {
        padding: 9px 12px;
    }
    .vns-header-title {
        font-size: 12px;
    }
    .vns-card-body {
        padding: 10px 12px;
    }
    .vns-card-title {
        font-size: 13px;
    }
}